Elegant bow-shaped rings with blue and red gemstones on a white background.

The Italians are Coming! The Edit: A Gallery of Italian Jewelry Masterpieces

NEW YORK – The Edit, an exhibition of contemporary Italian jewelry design, will be held just following the JA Show, in New York City...

Photomicrography: Images from Within, by Sammantha Maclachlan

Images by Sammantha Maclachlan Sammantha Maclachlan FGA DGA FIRV MJVA AJP PJDIP CPAA - JVA Registered ValuerÂ®ï¸ Winner of the Gordon Ness trophy (gemmology) Fellow of the...
Elegant ring with a large blue gemstone and gold accents.

ZaZa Azul: A Paraíba for the People

How a beloved 13.34-carat tourmaline went from a private treasure to the Smithsonian WASHINGTON, D.C. – On Tuesday morning, September 16th, 2025, the Smithsonian Institution's...
A ring with a large yellow-green gemstone and a silver band.

A Heritage Auction Marathon: Over 500 items – an All Day All Night Sale,...

In our last report on Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale, we focused on a few beautiful pieces of colored gemstone...
Illustration of tariff dispute between India and the USA.

Tariffs Squeeze Moonstone Trade: 50% India Tariffs are Affecting Business Right Now

Having just returned from California, where GIA's Symposium and AGS's Conclave joined forces as CONVERGE, we had an opportunity to visit with Manu Nichani...
Volunteers in yellow uniforms at an outdoor charity event for fire brigade support.

CGH Opens 5th Annual Fundraiser alongside MJSA’s Responsibly Sourced Design Challenge!

Columbia Gem House (CGH) has launched its fifth annual online fundraising raffle, "Opals for Outback Heroes," inspired by – and directly benefiting – the...
Close-up of opal stones promoting a new science course.

GAA’s Certificate in Opal Studies: A Complete Education in the World of Opal

The Gemmological Association of Australia (GAA) has taken a giant leap this year with the launch of its Certificate in Opal Studies–its first comprehensive,...
Gemworld guide for pricing precious gems in jewelry industry.

GemGuide Pricing Update: Sapphire Charts in September/October Show Notable Changes

The September/October 2025 issue of the GemGuide from Gemworld International features several helpful changes to the sapphire pricing charts, now also available in the...
Illustration of tariff dispute between India and the USA.

U.S. Tariffs on India Hit 50%: 25% Now, 25% MORE by the End of...

As you are probably fully aware by now, the United States has moved to impose steep tariffs on Indian goods, escalating trade tensions and...
Australian Opal Awards logo with a beautiful opal pendant necklace.

And the Winners Are… Winners of the $30,000 AUSTRALIAN OPAL AWARDS 2025!

Celebrating Australia's National Gemstone Since 2000, the Australian Opal Awards have showcased the creativity and skill of jewelry designers and gemstone artisans who work with...
Raw and polished purple to pink gemstones arranged in two rows.

Ruby & Sapphire from Winza: Columbia Gem House Announces New Acquisition

Columbia Gem House Announces New Acquisition of Untreated Sapphires and Rubies from Tanzania Columbia Gem House (CGH), the gem cutting and wholesale supply house based...
A blue gemstone with a certification document.

Four Color Highlights & One Old Mine Cut from Heritage’s Upcoming Fall Fine Jewelry...

Heritage Auctions' September 29 Fall Fine Jewelry Signature® Sale is still a few weeks away, but four loose gems and a mounted diamond are...